Reachable Assertion Affecting bind package, versions [9.18.0,9.20.26)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-BIND-18305952
- published25 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
CVE-2026-12617 (opens in a new tab)How to fix?
Upgrade bind to version 9.20.26 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion in the processing of responses to queries involving CNAME or DNAME records. An attacker can cause the service to terminate unexpectedly by sending crafted DNS queries that manipulate the order and timing of responses from authoritative servers.